| // Copyright 2018 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package protocol |
| |
| import ( |
| "context" |
| "encoding/json" |
| |
| "golang.org/x/tools/internal/jsonrpc2" |
| ) |
| |
| type Client interface { |
| ShowMessage(context.Context, *ShowMessageParams) error |
| ShowMessageRequest(context.Context, *ShowMessageRequestParams) (*MessageActionItem, error) |
| LogMessage(context.Context, *LogMessageParams) error |
| Telemetry(context.Context, interface{}) error |
| RegisterCapability(context.Context, *RegistrationParams) error |
| UnregisterCapability(context.Context, *UnregistrationParams) error |
| WorkspaceFolders(context.Context) ([]WorkspaceFolder, error) |
| Configuration(context.Context, *ConfigurationParams) ([]interface{}, error) |
| ApplyEdit(context.Context, *ApplyWorkspaceEditParams) (bool, error) |
| PublishDiagnostics(context.Context, *PublishDiagnosticsParams) error |
| } |
| |
| func clientHandler(client Client) jsonrpc2.Handler { |
| return func(ctx context.Context, conn *jsonrpc2.Conn, r *jsonrpc2.Request) { |
| switch r.Method { |
| case "$/cancelRequest": |
| var params CancelParams |
| if err := json.Unmarshal(*r.Params, ¶ms); err != nil { |
| sendParseError(ctx, conn, r, err) |
| return |
| } |
| conn.Cancel(params.ID) |
| |
| case "window/showMessage": |
| var params ShowMessageParams |
| if err := json.Unmarshal(*r.Params, ¶ms); err != nil { |
| sendParseError(ctx, conn, r, err) |
| return |
| } |
| unhandledError(client.ShowMessage(ctx, ¶ms)) |
| |
| case "window/showMessageRequest": |
| var params ShowMessageRequestParams |
| if err := json.Unmarshal(*r.Params, ¶ms); err != nil { |
| sendParseError(ctx, conn, r, err) |
| return |
| } |
| resp, err := client.ShowMessageRequest(ctx, ¶ms) |
| unhandledError(conn.Reply(ctx, r, resp, err)) |
| |
| case "window/logMessage": |
| var params LogMessageParams |
| if err := json.Unmarshal(*r.Params, ¶ms); err != nil { |
| sendParseError(ctx, conn, r, err) |
| return |
| } |
| unhandledError(client.LogMessage(ctx, ¶ms)) |
| |
| case "telemetry/event": |
| var params interface{} |
| if err := json.Unmarshal(*r.Params, ¶ms); err != nil { |
| sendParseError(ctx, conn, r, err) |
| return |
| } |
| unhandledError(client.Telemetry(ctx, ¶ms)) |
| |
| case "client/registerCapability": |
| var params RegistrationParams |
| if err := json.Unmarshal(*r.Params, ¶ms); err != nil { |
| sendParseError(ctx, conn, r, err) |
| return |
| } |
| unhandledError(client.RegisterCapability(ctx, ¶ms)) |
| |
| case "client/unregisterCapability": |
| var params UnregistrationParams |
| if err := json.Unmarshal(*r.Params, ¶ms); err != nil { |
| sendParseError(ctx, conn, r, err) |
| return |
| } |
| unhandledError(client.UnregisterCapability(ctx, ¶ms)) |
| |
| case "workspace/workspaceFolders": |
| if r.Params != nil { |
| conn.Reply(ctx, r, nil, jsonrpc2.NewErrorf(jsonrpc2.CodeInvalidParams, "Expected no params")) |
| return |
| } |
| resp, err := client.WorkspaceFolders(ctx) |
| unhandledError(conn.Reply(ctx, r, resp, err)) |
| |
| case "workspace/configuration": |
| var params ConfigurationParams |
| if err := json.Unmarshal(*r.Params, ¶ms); err != nil { |
| sendParseError(ctx, conn, r, err) |
| return |
| } |
| resp, err := client.Configuration(ctx, ¶ms) |
| unhandledError(conn.Reply(ctx, r, resp, err)) |
| |
| case "workspace/applyEdit": |
| var params ApplyWorkspaceEditParams |
| if err := json.Unmarshal(*r.Params, ¶ms); err != nil { |
| sendParseError(ctx, conn, r, err) |
| return |
| } |
| resp, err := client.ApplyEdit(ctx, ¶ms) |
| unhandledError(conn.Reply(ctx, r, resp, err)) |
| |
| case "textDocument/publishDiagnostics": |
| var params PublishDiagnosticsParams |
| if err := json.Unmarshal(*r.Params, ¶ms); err != nil { |
| sendParseError(ctx, conn, r, err) |
| return |
| } |
| unhandledError(client.PublishDiagnostics(ctx, ¶ms)) |
| |
| default: |
| if r.IsNotify() { |
| conn.Reply(ctx, r, nil, jsonrpc2.NewErrorf(jsonrpc2.CodeMethodNotFound, "method %q not found", r.Method)) |
| } |
| } |
| } |
| } |
| |
| type clientDispatcher struct { |
| *jsonrpc2.Conn |
| } |
| |
| func (c *clientDispatcher) ShowMessage(ctx context.Context, params *ShowMessageParams) error { |
| return c.Conn.Notify(ctx, "window/showMessage", params) |
| } |
| |
| func (c *clientDispatcher) ShowMessageRequest(ctx context.Context, params *ShowMessageRequestParams) (*MessageActionItem, error) { |
| var result MessageActionItem |
| if err := c.Conn.Call(ctx, "window/showMessageRequest", params, &result); err != nil { |
| return nil, err |
| } |
| return &result, nil |
| } |
| |
| func (c *clientDispatcher) LogMessage(ctx context.Context, params *LogMessageParams) error { |
| return c.Conn.Notify(ctx, "window/logMessage", params) |
| } |
| |
| func (c *clientDispatcher) Telemetry(ctx context.Context, params interface{}) error { |
| return c.Conn.Notify(ctx, "telemetry/event", params) |
| } |
| |
| func (c *clientDispatcher) RegisterCapability(ctx context.Context, params *RegistrationParams) error { |
| return c.Conn.Notify(ctx, "client/registerCapability", params) |
| } |
| |
| func (c *clientDispatcher) UnregisterCapability(ctx context.Context, params *UnregistrationParams) error { |
| return c.Conn.Notify(ctx, "client/unregisterCapability", params) |
| } |
| |
| func (c *clientDispatcher) WorkspaceFolders(ctx context.Context) ([]WorkspaceFolder, error) { |
| var result []WorkspaceFolder |
| if err := c.Conn.Call(ctx, "workspace/workspaceFolders", nil, &result); err != nil { |
| return nil, err |
| } |
| return result, nil |
| } |
| |
| func (c *clientDispatcher) Configuration(ctx context.Context, params *ConfigurationParams) ([]interface{}, error) { |
| var result []interface{} |
| if err := c.Conn.Call(ctx, "workspace/configuration", params, &result); err != nil { |
| return nil, err |
| } |
| return result, nil |
| } |
| |
| func (c *clientDispatcher) ApplyEdit(ctx context.Context, params *ApplyWorkspaceEditParams) (bool, error) { |
| var result bool |
| if err := c.Conn.Call(ctx, "workspace/applyEdit", params, &result); err != nil { |
| return false, err |
| } |
| return result, nil |
| } |
| |
| func (c *clientDispatcher) PublishDiagnostics(ctx context.Context, params *PublishDiagnosticsParams) error { |
| return c.Conn.Notify(ctx, "textDocument/publishDiagnostics", params) |
| } |